| /* |
| * Copyright (c) 2011-2021 Douglas Gilbert. |
| * All rights reserved. |
| * Use of this source code is governed by a BSD-style |
| * license that can be found in the BSD_LICENSE file. |
| * |
| * SPDX-License-Identifier: BSD-2-Clause |
| */ |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdbool.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <getopt.h> |
| #define __STDC_FORMAT_MACROS 1 |
| #include <inttypes.h> |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "sg_lib.h" |
| #include "sg_pt.h" |
| #include "sg_cmds_basic.h" |
| #include "sg_cmds_extra.h" |
| #include "sg_unaligned.h" |
| #include "sg_pr2serr.h" |
| |
| static const char * version_str = "1.17 20211114"; |
| |
| /* Not all environments support the Unix sleep() */ |
| #if defined(MSC_VER) || defined(__MINGW32__) |
| #define HAVE_MS_SLEEP |
| #endif |
| #ifdef HAVE_MS_SLEEP |
| #include <windows.h> |
| #define sleep_for(seconds) Sleep( (seconds) * 1000) |
| #else |
| #define sleep_for(seconds) sleep(seconds) |
| #endif |
| |
| |
| #define ME "sg_sanitize: " |
| |
| #define SANITIZE_OP 0x48 |
| #define SANITIZE_OP_LEN 10 |
| #define SANITIZE_SA_OVERWRITE 0x1 |
| #define SANITIZE_SA_BLOCK_ERASE 0x2 |
| #define SANITIZE_SA_CRYPTO_ERASE 0x3 |
| #define SANITIZE_SA_EXIT_FAIL_MODE 0x1f |
| #define DEF_REQS_RESP_LEN 252 |
| #define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */ |
| #define MAX_XFER_LEN 65535 |
| #define EBUFF_SZ 256 |
| |
| #define SHORT_TIMEOUT 20 /* 20 seconds unless immed=0 ... */ |
| #define LONG_TIMEOUT (15 * 3600) /* 15 hours ! */ |
| /* Seagate ST32000444SS 2TB disk takes 9.5 hours to format */ |
| #define POLL_DURATION_SECS 60 |
| |
| |
| static struct option long_options[] = { |
| {"ause", no_argument, 0, 'A'}, |
| {"block", no_argument, 0, 'B'}, |
| {"count", required_argument, 0, 'c'}, |
| {"crypto", no_argument, 0, 'C'}, |
| {"desc", no_argument, 0, 'd'}, |
| {"dry-run", no_argument, 0, 'D'}, |
| {"dry_run", no_argument, 0, 'D'}, |
| {"early", no_argument, 0, 'e'}, |
| {"fail", no_argument, 0, 'F'}, |
| {"help", no_argument, 0, 'h'}, |
| {"invert", no_argument, 0, 'I'}, |
| {"ipl", required_argument, 0, 'i'}, |
| {"overwrite", no_argument, 0, 'O'}, |
| {"pattern", required_argument, 0, 'p'}, |
| {"quick", no_argument, 0, 'Q'}, |
| {"test", required_argument, 0, 'T'}, |
| {"timeout", required_argument, 0, 't'}, |
| {"verbose", no_argument, 0, 'v'}, |
| {"version", no_argument, 0, 'V'}, |
| {"wait", no_argument, 0, 'w'}, |
| {"zero", no_argument, 0, 'z'}, |
| {0, 0, 0, 0}, |
| }; |
| |
| struct opts_t { |
| bool ause; |
| bool block; |
| bool crypto; |
| bool desc; |
| bool dry_run; |
| bool early; |
| bool fail; |
| bool invert; |
| bool overwrite; |
| bool quick; |
| bool verbose_given; |
| bool version_given; |
| bool wait; |
| bool znr; |
| int count; |
| int ipl; /* initialization pattern length */ |
| int test; |
| int timeout; /* in seconds */ |
| int verbose; |
| int zero; |
| const char * pattern_fn; |
| }; |
| |
| |
| static void |
| usage() |
| { |
| pr2serr("Usage: sg_sanitize [--ause] [--block] [--count=OC] [--crypto] " |
| "[--dry-run]\n" |
| " [--early] [--fail] [--help] [--invert] " |
| "[--ipl=LEN]\n" |
| " [--overwrite] [--pattern=PF] [--quick] " |
| "[--test=TE]\n" |
| " [--timeout=SECS] [--verbose] [--version] " |
| "[--wait]\n" |
| " [--zero] [--znr] DEVICE\n" |
| " where:\n" |
| " --ause|-A set AUSE bit in cdb\n" |
| " --block|-B do BLOCK ERASE sanitize\n" |
| " --count=OC|-c OC OC is overwrite count field (from 1 " |
| "(def) to 31)\n" |
| " --crypto|-C do CRYPTOGRAPHIC ERASE sanitize\n" |
| " --desc|-d polling request sense sets 'desc' " |
| "field\n" |
| " (def: clear 'desc' field)\n" |
| " --dry-run|-D to preparation but bypass SANITIZE " |
| "commnd\n" |
| " --early|-e exit once sanitize started (IMMED set " |
| "in cdb)\n" |
| " user can monitor progress with REQUEST " |
| "SENSE\n" |
| " --fail|-F do EXIT FAILURE MODE sanitize\n" |
| " --help|-h print out usage message\n" |
| " --invert|-I set INVERT bit in OVERWRITE parameter " |
| "list\n" |
| " --ipl=LEN|-i LEN initialization pattern length (in " |
| "bytes)\n" |
| " --overwrite|-O do OVERWRITE sanitize\n" |
| " --pattern=PF|-p PF PF is file containing initialization " |
| "pattern\n" |
| " for OVERWRITE\n" |
| " --quick|-Q start sanitize without pause for user\n" |
| " intervention (i.e. no time to " |
| "reconsider)\n" |
| " --test=TE|-T TE TE is placed in TEST field of " |
| "OVERWRITE\n" |
| " parameter list (def: 0)\n" |
| " --timeout=SECS|-t SECS SANITIZE command timeout in " |
| "seconds\n" |
| " --verbose|-v increase verbosity\n" |
| " --version|-V print version string then exit\n" |
| " --wait|-w wait for command to finish (could " |
| "take hours)\n" |
| " --zero|-z use pattern of zeros for " |
| "OVERWRITE\n" |
| " --znr|-Z set ZNR (zone no reset) bit in cdb\n\n" |
| "Performs a SCSI SANITIZE command.\n <<<WARNING>>>: all data " |
| "on DEVICE will be lost.\nDefault action is to give user time to " |
| "reconsider; then execute SANITIZE\ncommand with IMMED bit set; " |
| "then use REQUEST SENSE command every 60\nseconds to poll for a " |
| "progress indication; then exit when there is no\nmore progress " |
| "indication.\n" |
| ); |
| } |
| |
| /* Invoke SCSI SANITIZE command. Returns 0 if successful, otherwise error */ |
| static int |
| do_sanitize(int sg_fd, const struct opts_t * op, const void * param_lstp, |
| int param_lst_len) |
| { |
| bool immed; |
| int ret, res, sense_cat, timeout; |
| uint8_t san_cdb[SANITIZE_OP_LEN]; |
| uint8_t sense_b[SENSE_BUFF_LEN] = {0}; |
| struct sg_pt_base * ptvp; |
| |
| if (op->early || op->wait) |
| immed = op->early; |
| else |
| immed = true; |
| timeout = (immed ? SHORT_TIMEOUT : LONG_TIMEOUT); |
| /* only use command line timeout if it exceeds previous defaults */ |
| if (op->timeout > timeout) |
| timeout = op->timeout; |
| memset(san_cdb, 0, sizeof(san_cdb)); |
| san_cdb[0] = SANITIZE_OP; |
| if (op->overwrite) |
| san_cdb[1] = SANITIZE_SA_OVERWRITE; |
| else if (op->block) |
| san_cdb[1] = SANITIZE_SA_BLOCK_ERASE; |
| else if (op->crypto) |
| san_cdb[1] = SANITIZE_SA_CRYPTO_ERASE; |
| else if (op->fail) |
| san_cdb[1] = SANITIZE_SA_EXIT_FAIL_MODE; |
| else |
| return SG_LIB_SYNTAX_ERROR; |
| if (immed) |
| san_cdb[1] |= 0x80; |
| if (op->znr) /* added sbc4r07 */ |
| san_cdb[1] |= 0x40; |
| if (op->ause) |
| san_cdb[1] |= 0x20; |
| sg_put_unaligned_be16((uint16_t)param_lst_len, san_cdb + 7); |
| |
| if (op->verbose > 1) { |
| char b[128]; |
| |
| pr2serr(" Sanitize cdb: %s\n", |
| sg_get_command_str(san_cdb, SANITIZE_OP_LEN, false, |
| sizeof(b), b)); |
| if (op->verbose > 2) { |
| if (param_lst_len > 0) { |
| pr2serr(" Parameter list contents:\n"); |
| hex2stderr((const uint8_t *)param_lstp, param_lst_len, -1); |
| } |
| pr2serr(" Sanitize command timeout: %d seconds\n", timeout); |
| } |
| } |
| if (op->dry_run) { |
| pr2serr("Due to --dry-run option, bypassing SANITIZE command\n"); |
| return 0; |
| } |
| ptvp = construct_scsi_pt_obj(); |
| if (NULL == ptvp) { |
| pr2serr("Sanitize: out of memory\n"); |
| return -1; |
| } |
| set_scsi_pt_cdb(ptvp, san_cdb, sizeof(san_cdb)); |
| set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); |
| set_scsi_pt_data_out(ptvp, (uint8_t *)param_lstp, param_lst_len); |
| res = do_scsi_pt(ptvp, sg_fd, timeout, op->verbose); |
| ret = sg_cmds_process_resp(ptvp, "Sanitize", res, true /*noisy */, |
| op->verbose, &sense_cat); |
| if (-1 == ret) { |
| if (get_scsi_pt_transport_err(ptvp)) |
| ret = SG_LIB_TRANSPORT_ERROR; |
| else |
| ret = sg_convert_errno(get_scsi_pt_os_err(ptvp)); |
| } else if (-2 == ret) { |
| switch (sense_cat) { |
| case SG_LIB_CAT_RECOVERED: |
| case SG_LIB_CAT_NO_SENSE: |
| ret = 0; |
| break; |
| case SG_LIB_CAT_MEDIUM_HARD: |
| { |
| bool valid; |
| int slen; |
| uint64_t ull = 0; |
| |
| slen = get_scsi_pt_sense_len(ptvp); |
| valid = sg_get_sense_info_fld(sense_b, slen, &ull); |
| if (valid) |
| pr2serr("Medium or hardware error starting at " |
| "lba=%" PRIu64 " [0x%" PRIx64 "]\n", ull, ull); |
| } |
| ret = sense_cat; |
| break; |
| default: |
| ret = sense_cat; |
| break; |
| } |
| } else { |
| ret = 0; |
| if (op->verbose) |
| pr2serr("Sanitize command %s without error\n", |
| (immed ? "launched" : "completed")); |
| } |
| |
| destruct_scsi_pt_obj(ptvp); |
| return ret; |
| } |
| |
| #define VPD_DEVICE_ID 0x83 |
| #define VPD_ASSOC_LU 0 |
| #define VPD_ASSOC_TPORT 1 |
| #define TPROTO_ISCSI 5 |
| |
| static char * |
| get_lu_name(const uint8_t * bp, int u_len, char * b, int b_len) |
| { |
| int len, off, sns_dlen, dlen, k; |
| uint8_t u_sns[512]; |
| char * cp; |
| |
| len = u_len - 4; |
| bp += 4; |
| off = -1; |
| if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, |
| 8 /* SCSI name string (sns) */, |
| 3 /* UTF-8 */)) { |
| sns_dlen = bp[off + 3]; |
| memcpy(u_sns, bp + off + 4, sns_dlen); |
| /* now want to check if this is iSCSI */ |
| off = -1; |
| if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_TPORT, |
| 8 /* SCSI name string (sns) */, |
| 3 /* UTF-8 */)) { |
| if ((0x80 & bp[1]) && (TPROTO_ISCSI == (bp[0] >> 4))) { |
| snprintf(b, b_len, "%.*s", sns_dlen, u_sns); |
| return b; |
| } |
| } |
| } else |
| sns_dlen = 0; |
| if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, |
| 3 /* NAA */, 1 /* binary */)) { |
| dlen = bp[off + 3]; |
| if (! ((8 == dlen) || (16 ==dlen))) |
| return b; |
| cp = b; |
| for (k = 0; ((k < dlen) && (b_len > 1)); ++k) { |
| snprintf(cp, b_len, "%02x", bp[off + 4 + k]); |
| cp += 2; |
| b_len -= 2; |
| } |
| } else if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, |
| 2 /* EUI */, 1 /* binary */)) { |
| dlen = bp[off + 3]; |
| if (! ((8 == dlen) || (12 == dlen) || (16 ==dlen))) |
| return b; |
| cp = b; |
| for (k = 0; ((k < dlen) && (b_len > 1)); ++k) { |
| snprintf(cp, b_len, "%02x", bp[off + 4 + k]); |
| cp += 2; |
| b_len -= 2; |
| } |
| } else if (sns_dlen > 0) |
| snprintf(b, b_len, "%.*s", sns_dlen, u_sns); |
| return b; |
| } |
| |
| #define SAFE_STD_INQ_RESP_LEN 36 |
| #define VPD_SUPPORTED_VPDS 0x0 |
| #define VPD_UNIT_SERIAL_NUM 0x80 |
| #define VPD_DEVICE_ID 0x83 |
| |
| static int |
| print_dev_id(int fd, uint8_t * sinq_resp, int max_rlen, int verbose) |
| { |
| int res, k, n, verb, pdt, has_sn, has_di; |
| uint8_t b[256]; |
| char a[256]; |
| char pdt_name[64]; |
| |
| verb = (verbose > 1) ? verbose - 1 : 0; |
| memset(sinq_resp, 0, max_rlen); |
| res = sg_ll_inquiry(fd, false, false /* evpd */, 0 /* pg_op */, b, |
| SAFE_STD_INQ_RESP_LEN, 1, verb); |
| if (res) |
| return res; |
| n = b[4] + 5; |
| if (n > SAFE_STD_INQ_RESP_LEN) |
| n = SAFE_STD_INQ_RESP_LEN; |
| memcpy(sinq_resp, b, (n < max_rlen) ? n : max_rlen); |
| if (n == SAFE_STD_INQ_RESP_LEN) { |
| pdt = b[0] & 0x1f; |
| printf(" %.8s %.16s %.4s peripheral_type: %s [0x%x]\n", |
| (const char *)(b + 8), (const char *)(b + 16), |
| (const char *)(b + 32), |
| sg_get_pdt_str(pdt, sizeof(pdt_name), pdt_name), pdt); |
| if (verbose) |
| printf(" PROTECT=%d\n", !!(b[5] & 1)); |
| if (b[5] & 1) |
| printf(" << supports protection information>>\n"); |
| } else { |
| pr2serr("Short INQUIRY response: %d bytes, expect at least 36\n", n); |
| return SG_LIB_CAT_OTHER; |
| } |
| res = sg_ll_inquiry(fd, false, true /* evpd */, VPD_SUPPORTED_VPDS, b, |
| SAFE_STD_INQ_RESP_LEN, 1, verb); |
| if (res) { |
| if (verbose) |
| pr2serr("VPD_SUPPORTED_VPDS gave res=%d\n", res); |
| return 0; |
| } |
| if (VPD_SUPPORTED_VPDS != b[1]) { |
| if (verbose) |
| pr2serr("VPD_SUPPORTED_VPDS corrupted\n"); |
| return 0; |
| } |
| n = sg_get_unaligned_be16(b + 2); |
| if (n > (SAFE_STD_INQ_RESP_LEN - 4)) |
| n = (SAFE_STD_INQ_RESP_LEN - 4); |
| for (k = 0, has_sn = 0, has_di = 0; k < n; ++k) { |
| if (VPD_UNIT_SERIAL_NUM == b[4 + k]) |
| ++has_sn; |
| else if (VPD_DEVICE_ID == b[4 + k]) { |
| ++has_di; |
| break; |
| } |
| } |
| if (has_sn) { |
| res = sg_ll_inquiry(fd, false, true /* evpd */, VPD_UNIT_SERIAL_NUM, |
| b, sizeof(b), 1, verb); |
| if (res) { |
| if (verbose) |
| pr2serr("VPD_UNIT_SERIAL_NUM gave res=%d\n", res); |
| return 0; |
| } |
| if (VPD_UNIT_SERIAL_NUM != b[1]) { |
| if (verbose) |
| pr2serr("VPD_UNIT_SERIAL_NUM corrupted\n"); |
| return 0; |
| } |
| n = sg_get_unaligned_be16(b + 2); |
| if (n > (int)(sizeof(b) - 4)) |
| n = (sizeof(b) - 4); |
| printf(" Unit serial number: %.*s\n", n, (const char *)(b + 4)); |
| } |
| if (has_di) { |
| res = sg_ll_inquiry(fd, false, true /* evpd */, VPD_DEVICE_ID, b, |
| sizeof(b), 1, verb); |
| if (res) { |
| if (verbose) |
| pr2serr("VPD_DEVICE_ID gave res=%d\n", res); |
| return 0; |
| } |
| if (VPD_DEVICE_ID != b[1]) { |
| if (verbose) |
| pr2serr("VPD_DEVICE_ID corrupted\n"); |
| return 0; |
| } |
| n = sg_get_unaligned_be16(b + 2); |
| if (n > (int)(sizeof(b) - 4)) |
| n = (sizeof(b) - 4); |
| n = strlen(get_lu_name(b, n + 4, a, sizeof(a))); |
| if (n > 0) |
| printf(" LU name: %.*s\n", n, a); |
| } |
| return 0; |
| } |
| |
| |
| int |
| main(int argc, char * argv[]) |
| { |
| bool got_stdin = false; |
| int k, res, c, infd, progress, vb, n, resp_len, err; |
| int sg_fd = -1; |
| int param_lst_len = 0; |
| int ret = -1; |
| const char * device_name = NULL; |
| char ebuff[EBUFF_SZ]; |
| char b[80]; |
| uint8_t rsBuff[DEF_REQS_RESP_LEN]; |
| uint8_t * wBuff = NULL; |
| uint8_t * free_wBuff = NULL; |
| struct opts_t opts; |
| struct opts_t * op; |
| struct stat a_stat; |
| uint8_t inq_resp[SAFE_STD_INQ_RESP_LEN]; |
| |
| op = &opts; |
| memset(op, 0, sizeof(opts)); |
| op->count = 1; |
| while (1) { |
| int option_index = 0; |
| |
| c = getopt_long(argc, argv, "ABc:CdDeFhi:IOp:Qt:T:vVwzZ", |
| long_options, &option_index); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 'A': |
| op->ause = true; |
| break; |
| case 'B': |
| op->block = true; |
| break; |
| case 'c': |
| op->count = sg_get_num(optarg); |
| if ((op->count < 1) || (op->count > 31)) { |
| pr2serr("bad argument to '--count', expect 1 to 31\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'C': |
| op->crypto = true; |
| break; |
| case 'd': |
| op->desc = true; |
| break; |
| case 'D': |
| op->dry_run = true; |
| break; |
| case 'e': |
| op->early = true; |
| break; |
| case 'F': |
| op->fail = true; |
| break; |
| case 'h': |
| case '?': |
| usage(); |
| return 0; |
| case 'i': |
| op->ipl = sg_get_num(optarg); |
| if ((op->ipl < 1) || (op->ipl > 65535)) { |
| pr2serr("bad argument to '--ipl', expect 1 to 65535\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'I': |
| op->invert = true; |
| break; |
| case 'O': |
| op->overwrite = true; |
| break; |
| case 'p': |
| op->pattern_fn = optarg; |
| break; |
| case 'Q': |
| op->quick = true; |
| break; |
| case 't': |
| op->timeout = sg_get_num(optarg); |
| if (op->timeout < 0) { |
| pr2serr("bad argument to '--timeout=SECS', want 0 or more\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'T': |
| op->test = sg_get_num(optarg); |
| if ((op->test < 0) || (op->test > 3)) { |
| pr2serr("bad argument to '--test', expect 0 to 3\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'v': |
| op->verbose_given = true; |
| ++op->verbose; |
| break; |
| case 'V': |
| op->version_given = true; |
| break; |
| case 'w': |
| op->wait = true; |
| break; |
| case 'z': |
| ++op->zero; |
| break; |
| case 'Z': |
| op->znr = true; |
| break; |
| default: |
| pr2serr("unrecognised option code 0x%x ??\n", c); |
| usage(); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| } |
| if (optind < argc) { |
| if (NULL == device_name) { |
| device_name = argv[optind]; |
| ++optind; |
| } |
| if (optind < argc) { |
| for (; optind < argc; ++optind) |
| pr2serr("Unexpected extra argument: %s\n", argv[optind]); |
| usage(); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| } |
| #ifdef DEBUG |
| pr2serr("In DEBUG mode, "); |
| if (op->verbose_given && op->version_given) { |
| pr2serr("but override: '-vV' given, zero verbose and continue\n"); |
| op->verbose_given = false; |
| op->version_given = false; |
| op->verbose = 0; |
| } else if (! op->verbose_given) { |
| pr2serr("set '-vv'\n"); |
| op->verbose = 2; |
| } else |
| pr2serr("keep verbose=%d\n", op->verbose); |
| #else |
| if (op->verbose_given && op->version_given) |
| pr2serr("Not in DEBUG mode, so '-vV' has no special action\n"); |
| #endif |
| if (op->version_given) { |
| pr2serr(ME "version: %s\n", version_str); |
| return 0; |
| } |
| |
| if (NULL == device_name) { |
| pr2serr("Missing device name!\n\n"); |
| usage(); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| vb = op->verbose; |
| n = (int)op->block + (int)op->crypto + (int)op->fail + (int)op->overwrite; |
| if (1 != n) { |
| pr2serr("one and only one of '--block', '--crypto', '--fail' or " |
| "'--overwrite' please\n"); |
| return SG_LIB_CONTRADICT; |
| } |
| if (op->overwrite) { |
| if (op->zero) { |
| if (op->pattern_fn) { |
| pr2serr("confused: both '--pattern=PF' and '--zero' " |
| "options\n"); |
| return SG_LIB_CONTRADICT; |
| } |
| op->ipl = 4; |
| } else { |
| if (NULL == op->pattern_fn) { |
| pr2serr("'--overwrite' requires '--pattern=PF' or '--zero' " |
| "option\n"); |
| return SG_LIB_CONTRADICT; |
| } |
| got_stdin = (0 == strcmp(op->pattern_fn, "-")); |
| if (! got_stdin) { |
| memset(&a_stat, 0, sizeof(a_stat)); |
| if (stat(op->pattern_fn, &a_stat) < 0) { |
| err = errno; |
| pr2serr("pattern file: unable to stat(%s): %s\n", |
| op->pattern_fn, safe_strerror(err)); |
| ret = sg_convert_errno(err); |
| goto err_out; |
| } |
| if (op->ipl <= 0) { |
| op->ipl = (int)a_stat.st_size; |
| if (op->ipl > MAX_XFER_LEN) { |
| pr2serr("pattern file length exceeds 65535 bytes, " |
| "need '--ipl=LEN' option\n"); |
| return SG_LIB_FILE_ERROR; |
| } |
| } |
| } |
| if (op->ipl < 1) { |
| pr2serr("'--overwrite' requires '--ipl=LEN' option if can't " |
| "get PF length\n"); |
| return SG_LIB_CONTRADICT; |
| } |
| } |
| } |
| |
| sg_fd = sg_cmds_open_device(device_name, false /* rw */, vb); |
| if (sg_fd < 0) { |
| if (op->verbose) |
| pr2serr(ME "open error: %s: %s\n", device_name, |
| safe_strerror(-sg_fd)); |
| ret = sg_convert_errno(-sg_fd); |
| goto err_out; |
| } |
| |
| ret = print_dev_id(sg_fd, inq_resp, sizeof(inq_resp), op->verbose); |
| if (ret) |
| goto err_out; |
| |
| if (op->overwrite) { |
| param_lst_len = op->ipl + 4; |
| wBuff = (uint8_t*)sg_memalign(op->ipl + 4, 0, &free_wBuff, false); |
| if (NULL == wBuff) { |
| pr2serr("unable to allocate %d bytes of memory with calloc()\n", |
| op->ipl + 4); |
| ret = sg_convert_errno(ENOMEM); |
| goto err_out; |
| } |
| if (op->zero) { |
| if (2 == op->zero) /* treat -zz as fill with 0xff bytes */ |
| memset(wBuff + 4, 0xff, op->ipl); |
| else |
| memset(wBuff + 4, 0, op->ipl); |
| } else { |
| if (got_stdin) { |
| infd = STDIN_FILENO; |
| if (sg_set_binary_mode(STDIN_FILENO) < 0) |
| perror("sg_set_binary_mode"); |
| } else { |
| if ((infd = open(op->pattern_fn, O_RDONLY)) < 0) { |
| err = errno; |
| snprintf(ebuff, EBUFF_SZ, ME "could not open %s for " |
| "reading", op->pattern_fn); |
| perror(ebuff); |
| ret = sg_convert_errno(err); |
| goto err_out; |
| } else if (sg_set_binary_mode(infd) < 0) |
| perror("sg_set_binary_mode"); |
| } |
| res = read(infd, wBuff + 4, op->ipl); |
| if (res < 0) { |
| err = errno; |
| snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s", |
| op->pattern_fn); |
| perror(ebuff); |
| if (! got_stdin) |
| close(infd); |
| ret = sg_convert_errno(err); |
| goto err_out; |
| } |
| if (res < op->ipl) { |
| pr2serr("tried to read %d bytes from %s, got %d bytes\n", |
| op->ipl, op->pattern_fn, res); |
| pr2serr(" so pad with 0x0 bytes and continue\n"); |
| } |
| if (! got_stdin) |
| close(infd); |
| } |
| wBuff[0] = op->count & 0x1f; |
| if (op->test) |
| wBuff[0] |= ((op->test & 0x3) << 5); |
| if (op->invert) |
| wBuff[0] |= 0x80; |
| sg_put_unaligned_be16((uint16_t)op->ipl, wBuff + 2); |
| } |
| |
| if ((! op->quick) && (! op->fail)) { |
| printf("\nA SANITIZE will commence in 15 seconds\n"); |
| printf(" ALL data on %s will be DESTROYED\n", device_name); |
| printf(" Press control-C to abort\n"); |
| sleep_for(5); |
| printf("\nA SANITIZE will commence in 10 seconds\n"); |
| printf(" ALL data on %s will be DESTROYED\n", device_name); |
| printf(" Press control-C to abort\n"); |
| sleep_for(5); |
| printf("\nA SANITIZE will commence in 5 seconds\n"); |
| printf(" ALL data on %s will be DESTROYED\n", device_name); |
| printf(" Press control-C to abort\n"); |
| sleep_for(5); |
| } |
| |
| ret = do_sanitize(sg_fd, op, wBuff, param_lst_len); |
| if (ret) { |
| sg_get_category_sense_str(ret, sizeof(b), b, vb); |
| pr2serr("Sanitize failed: %s\n", b); |
| } |
| |
| if ((0 == ret) && (! op->early) && (! op->wait)) { |
| for (k = 0; ;++k) { /* unbounded, exits via break */ |
| if (op->dry_run && (k > 0)) { |
| pr2serr("Due to --dry-run option, leave poll loop\n"); |
| break; |
| } |
| sleep_for(POLL_DURATION_SECS); |
| memset(rsBuff, 0x0, sizeof(rsBuff)); |
| res = sg_ll_request_sense(sg_fd, op->desc, rsBuff, sizeof(rsBuff), |
| 1, vb); |
| if (res) { |
| ret = res; |
| if (SG_LIB_CAT_INVALID_OP == res) |
| pr2serr("Request Sense command not supported\n"); |
| else if (SG_LIB_CAT_ILLEGAL_REQ == res) { |
| pr2serr("bad field in Request Sense cdb\n"); |
| if (op->desc) { |
| pr2serr("Descriptor type sense may not be supported, " |
| "try again with fixed type\n"); |
| op->desc = false; |
| continue; |
| } |
| } else { |
| sg_get_category_sense_str(res, sizeof(b), b, vb); |
| pr2serr("Request Sense: %s\n", b); |
| if (0 == vb) |
| pr2serr(" try the '-v' option for more " |
| "information\n"); |
| } |
| break; |
| } |
| /* "Additional sense length" same in descriptor and fixed */ |
| resp_len = rsBuff[7] + 8; |
| if (vb > 2) { |
| pr2serr("Parameter data in hex\n"); |
| hex2stderr(rsBuff, resp_len, -1); |
| } |
| progress = -1; |
| sg_get_sense_progress_fld(rsBuff, resp_len, &progress); |
| if (progress < 0) { |
| ret = res; |
| if (vb > 1) |
| pr2serr("No progress indication found, iteration %d\n", |
| k + 1); |
| if ((0 == k) && vb) |
| pr2serr("Sanitize seems to be successful and finished " |
| "quickly\n"); |
| /* N.B. exits first time there isn't a progress indication */ |
| break; |
| } else |
| printf("Progress indication: %d%% done\n", |
| (progress * 100) / 65536); |
| } |
| } |
| |
| err_out: |
| if (free_wBuff) |
| free(free_wBuff); |
| if (sg_fd >= 0) { |
| res = sg_cmds_close_device(sg_fd); |
| if (res < 0) { |
| pr2serr("close error: %s\n", safe_strerror(-res)); |
| if (0 == ret) |
| ret = sg_convert_errno(-res); |
| } |
| } |
| if (0 == op->verbose) { |
| if (! sg_if_can2stderr("sg_sanitize failed: ", ret)) |
| pr2serr("Some error occurred, try again with '-v' " |
| "or '-vv' for more information\n"); |
| } |
| return (ret >= 0) ? ret : SG_LIB_CAT_OTHER; |
| } |
